Table 9.

Mixed effects Poisson regression model fixed effects coefficients, standard errors, and 95% confidence interval for optimal number of deaths model.

Effect	Coefficient	Standard error	Confidence interval
Intercept	−8.582	0.223	−9.026, −8.134
Date	0.223	0.002	0.216, 0.224
Poverty index	0.208	0.067	0.076, 0.346
Date*poverty index	−0.30	0.10	−0.20, −0.40